(19)
(11) EP 1 077 455 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.03.2001 Bulletin 2001/10

(43) Date of publication A2:
21.02.2001 Bulletin 2001/08

(21) Application number: 00402318.0

(22) Date of filing: 18.08.2000
(51) International Patent Classification (IPC)7: H01F 17/00, H01F 27/29
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 19.08.1999 JP 23295899
08.12.1999 JP 34903099

(71) Applicant: Murata Manufacturing Co., Ltd.
Nagaokakyo-shi Kyoto-fu 617-8555 (JP)

(72) Inventors:
  • Murata, Satoshi, Murata Manufac. Co., Ltd.
    Nagaokakyo-shi, Kyoto-fu 617-8555 (JP)
  • Mihara, Hideyuki, Murata Manufac. Co., Ltd.
    Nagaokakyo-shi, Kyoto-fu 617-8555 (JP)
  • Yamamoto, Etsuji, Murata Manufac. Co., Ltd.
    Nagaokakyo-shi, Kyoto-fu 617-8555 (JP)
  • Tamada, Minoru, Murata Manufac. Co., Ltd.
    Nagaokakyo-shi, Kyoto-fu 617-8555 (JP)

(74) Representative: Thévenet, Jean-Bruno et al
Cabinet Beau de Loménie 158, rue de l'Université
75340 Paris Cédex 07
75340 Paris Cédex 07 (FR)

   


(54) Coil component


(57) A conductor film (21) is formed on the surface of a core (2) having flanges. On one flange (3), first (7), second (8) dividing grooves and a connecting groove (9) are formed, whereby first, second terminals (10, 11) are formed. On the other flange (4), third (12), fifth (13) dividing grooves and a connecting groove (14) are formed, whereby third, fourth terminals (15, 16) are formed. First, second winding-around grooves (17, 18) connected to the respective dividing grooves, being in parallel to each other are provided, whereby a first coil (19) connected to the first, third terminals and a second coil (20) connected to the second, fourth terminals are formed.






Search report